Variable Frequency Drives Online Course - National

This course explains the functional operation, methods of interfacing, and the advantages and disadvantages of the various types of variable frequency drives (VFDs), as well as the installation, programming, and troubleshooting of VFDs.

This course consists of the following modules:

Fundamentals: Variable frequency drives, or VFDs, are widely used to provide variable speed operation to AC motors that normally operate at a standard speed. This module explains the functional operation, methods of interfacing, and the advantages and disadvantages of the various types of VFDs.

Installation and Programming: While there are many manufacturers for VFDs, the installation, and initial programming is critical. This module introduces the viewer to some standard requirements while reinforcing the use of the manufacturers’ provided manuals.

Troubleshooting: Troubleshooting of VFDs can be very complex and time consuming. This module provides the common fault and alarm indications, types, and troubleshooting methods.